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vlabodo [156]
3 years ago
10

Which of the following has one solution? Select all that apply.

Mathematics
1 answer:
Otrada [13]3 years ago
8 0

Answer:

Step-by-step explanation:

(A). 10x + 5 = 3(5x + 7)

x  = - 16

(B). 5x - 10 = x + 20

x = 7.5

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Which expression equals the sum 1+2+3+4+5+6..
otez555 [7]

Answer:

7 * 3

7+7+7

3+3+3+3+3+3+3

2+2+2+2+2+2+2+2+2+2+1

(2*10)+1

(10*1)+11....

...and so on

Step-by-step explanation:

I don't know what type of expression you are looking for

7 0
2 years ago
A car travels 30 miles in 1/2 hour. What is the average speed at which the car is traveling in miles
Dmitry_Shevchenko [17]

Answer:

the car is traveling 60 miles per hour

Step-by-step explanation:

Since it is going 30 miles in half an hour, we just need to double both values to find the speed for an hour

30*2=60

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hope this helps pls give crown <3

6 0
2 years ago
Which equation represents the line that passes through the points (-3, 7) and (9, -1)
Law Incorporation [45]

Answer:

y=1/4x+6 1/4

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Which statement about the dilation of these triangles is true?
Arisa [49]
The scale factor is 7
7 0
2 years ago
A force F1 of magnitude 6.00 units acts at the origin in a direction 30.0 above the positive x axis. A second force F2 of magnit
kumpel [21]
F1 = 6*cos(30) i + 6*sin(30) j = 5.20 i + 3 j 
<span>F2 = 0 i + 5 j </span>

<span>R = F1 + F2 </span>
<span>Add the 'i's together (x direction) and the 'j's together (y direction) </span>
<span>R = (5.20 + 0) i + (3 + 5) j = 5.2 i + 8 j </span>

<span>Magnitude: </span>
<span>||R|| = </span>√<span>(5.2^2 + 8 ^2) = </span>√<span>91 = 9.54 </span>

<span>Direction: </span>
Θ<span> = atan ( Rj / Ri ) = atan( 8 / 5.2 ) = 57.0</span>⁰
5 0
3 years ago
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